CN107448661A - Control method of faucet - Google Patents

Abstract

The invention discloses a control method of a water faucet, wherein a first sensor which senses the hand of a user in the vertical direction is arranged on the water faucet, and the control method comprises the following steps: s1, mixing clear water and the hand sanitizer according to a preset proportion to form a mixed hand sanitizer; s2, when the first sensor senses the hand of the user, controlling the water faucet to flow out of the mixed liquid soap, and enabling the water faucet to enter a mixed liquid soap mode; and S3, when the hand of the user is always within the sensing range of the first sensor, controlling the water faucet to flow out clean water after the mixed hand sanitizer flows out for a first preset time, so that the water faucet enters a clean water mode. The invention has the beneficial effects that: when a user puts a handle under the water faucet, the water faucet can send out the hand sanitizer and the clean water which are mixed according to a proper proportion, after the user rubs and washes the mixed liquid, the water faucet automatically sends out the clean water to enable the user to wash the mixed liquid, the whole process is carried out in the same hand basin, any switch is not needed, and the hand washing basin is simple and convenient.

Description

A control method for a faucet

technical field

The invention relates to the field of faucets, in particular to a method for controlling the faucets.

Background technique

The survey found that the handwashing habits of most respondents were not hygienic, and they seldom used hand sanitizer even in public restrooms. However, there are a lot of bacteria in public toilets. If you do not use hand sanitizer to wash your hands, a large number of bacteria will be left on your hands, causing the bacteria to spread widely and greatly affecting public health. However, the traditional automatic hand sanitizer has a chance to pollute the surrounding environment due to the delay of the sensor time or the user's misalignment. As a result, the cleaners waste more time cleaning, which is not conducive to the further promotion of the product.

At present, the sensor of most automatic faucets is placed on the neck of the faucet to sense the hands in a horizontal direction, but this sensing method is easily affected by the water flow, causing the faucet to fail to sense the hands, so the flushing process will be interrupted suddenly.

Contents of the invention

The technical problem to be solved by the present invention is to provide a control method for a faucet in view of the above defects in the prior art.

The technical solution adopted by the present invention to solve its technical problems is:

A method for controlling a water faucet is provided. The water faucet is provided with a first sensor that senses a user's hand in a vertical direction. The control method includes the following steps:

S1. Mix clean water and hand sanitizer according to a preset ratio to form a mixed hand sanitizer;

S2. When the first sensor senses the user's hand, control the faucet to flow out the mixed hand sanitizer, so that the faucet enters the mixed hand sanitizer mode;

S3. When the user's hand is always within the sensing range of the first sensor, after the mixed hand sanitizer flows out for a first preset time, control the faucet to flow out clean water, so that the faucet enters the clean water mode;

When the user's hand leaves the sensing range of the first sensor within the first preset time, the control faucet stops the supply of mixed hand sanitizer, and the second preset time after the first sensor senses that the user's hand leaves When the user's hand is sensed again within a set period of time, the faucet is controlled to flow out clean water, so that the faucet enters the clean water mode.

In the control method of the faucet according to the present invention, the faucet is also provided with a second sensor for sensing the distance between the user and the faucet, and before the step S2, a step S2' is also included:

When the second sensor senses that the distance between the user and the faucet is within a preset value range, the first sensor is controlled to work.

In the control method of the faucet according to the present invention, the control method further includes:

When the second sensor senses the user's hand sweeping, the faucet is controlled to switch between the mixed hand sanitizer mode and the clean water mode.

In the control method of the faucet according to the present invention, the faucet has a water outlet level for the clear water to flow out, and the water outlet level has a square structure.

In the control method of the faucet according to the present invention, the faucet also includes a third sensor for sensing the stock of hand sanitizer, and the control method further includes:

When the third sensor senses that the stock of the hand sanitizer is less than the preset stock of the hand sanitizer, the control sends information to the smart terminal of the cleaning personnel to prompt the user to replenish the hand sanitizer.

In the control method of the faucet according to the present invention, the faucet further includes a fourth sensor for sensing the stock of toilet paper, and the control method further includes:

When the fourth sensor senses that the stock of paper towels is less than the preset stock of paper towels, the control sends information to the smart terminal of the cleaning personnel to prompt the user to replenish paper towels.

To sum up, implementing the control method of a faucet of the present invention has the following beneficial effects: first, when the user puts his hand under the faucet, the faucet will send out hand sanitizer and clear water mixed in an appropriate proportion, and the user After scrubbing the mixture, the faucet will automatically send out clear water for the user to rinse off. Every user can wash their hands with hand sanitizer, and the whole process is carried out in the same washbasin without any switch, which is simple and convenient. Secondly, the first sensor is installed on the top of the faucet, instead of the traditional automatic faucet that senses the hand in the horizontal direction, the faucet senses the hand in the vertical direction, which can prevent the first sensor from being affected by the water flow and make the water discharge process smoother. Third, the third sensor and the fourth sensor are respectively set on the afterwash liquid container and the paper towel box. When the amount of hand sanitizer and paper towels is less than the specified amount, the sensor will notify the cleaning staff to replenish, thereby reducing the amount of paper towels and hand towels. Chances of insufficient fluid supply. Not only does this reduce the number of times cleaning staff need to check the paper towels and hand sanitizer, but it also reduces inconvenience to users.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic structural diagram of a faucet device provided by a preferred embodiment of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Fig. 1 is a schematic structural diagram of a faucet device provided by the present invention. The present invention provides a control method for a faucet. The faucet is provided with a first sensor 1 that senses the user's hand in the vertical direction. The control method includes the following step:

S1. Mix clean water and hand sanitizer according to a preset ratio to form a mixed hand sanitizer;

S2. When the first sensor senses the user's hand, control the faucet to flow out the mixed hand sanitizer, so that the faucet enters the mixed hand sanitizer mode;

S3. When the user's hand is always within the sensing range of the first sensor, after the mixed hand sanitizer flows out for a first preset time, control the faucet to flow clean water, so that the faucet enters the clean water mode;

When the user's hand leaves the sensing range of the first sensor within the first preset time, the control faucet stops the supply of the mixed hand sanitizer, and the second preset time after the first sensor senses that the user's hand leaves When the user's hand is sensed, the water tap is controlled to flow out clean water, so that the water tap enters a clean water mode.

In this embodiment, the first sensor 1 is an infrared sensor, which is used to sense whether the user's hands are at the water outlet level 3 of the faucet. hand soap. Because the sensor of the traditional faucet is placed on the neck of the faucet and senses the hands in the horizontal direction, this sensing method is easily affected by the water flow, causing the faucet to fail to sense the hands, and the flushing process will be interrupted suddenly, so the sensor of the traditional automatic faucet will be Delay for 2 to 3 seconds to prevent the water flow from affecting the reception and causing the process of flushing to be interrupted. The first sensor 1 of the present application senses in a vertical manner, and the sensing accuracy is relatively high, so the delay function can be deleted, redundant flushing time can be reduced, water can be saved, and user satisfaction with the faucet can be improved. It can be understood that this embodiment does not limit the specific type and installation position of the first sensor 1, and the first sensor 1 can also be other sensors than the infrared sensor, as long as it can sense the user's hand through the vertical direction. Just control the water or mix the hand sanitizer.

The traditional automatic hand sanitizer and the automatic faucet are two independent parts. Because the traditional automatic hand sanitizer has a delay in the sensing time or the user does not align the position, it often pollutes the surrounding environment, resulting in more waste for cleaning staff Time for cleaning. The faucet of this application combines an automatic faucet and an automatic hand sanitizer in one, and the entire washing process is carried out in the same washbasin. In addition, the accuracy of the first sensor 1 of the faucet is relatively high, so there is less chance of polluting the surrounding environment , thereby effectively reducing the workload of cleaning staff.

When in use, the user only needs to place his hand directly below the water outlet level 3 of the faucet. When the first sensor 1 senses the user's wrist, the faucet will automatically provide a mixed hand sanitizer mixed according to a preset ratio. For users to wash their hands. If the user's hand stays within the sensing range of the first sensor 1, after providing the mixed hand sanitizer for a first preset time (such as 3-8 seconds), the faucet will immediately send clear water to allow the user to rinse his hands. If the user's hand leaves the detection range of the first sensor 1 within the first preset time (eg, within 3 to 8 seconds), the mixed hand sanitizer will automatically stop supplying. If the user wants to continue washing his hands with the mixed hand sanitizer, he can first keep his hands away from the faucet, and the system will detect the first sensor 1 within a second preset time (such as within 10 to 25 seconds) after the user's hand leaves. After rubbing and washing within the second preset time (eg, within 10 to 25 seconds), the hand is extended to the water outlet level 3, and the faucet can only send out clear water to allow the user to wash his hands. If the second preset time (such as 10-25 seconds) is exceeded, the faucet will automatically switch to the mixed hand sanitizer mode.

Further, the faucet is also provided with a second sensor 2 for sensing the distance between the user and the faucet, and before step S2, step S2' is also included:

When the second sensor 2 senses that the distance between the user and the faucet is within a preset value range, the first sensor 1 is controlled to work.

In this embodiment, the second sensor 2 is a distance sensor. By sensing the distance between the user and the faucet, it is confirmed whether the user is using the faucet to avoid false triggering. It can be understood that this embodiment does not limit the specific type and installation position of the second sensor 2, and the second sensor 2 can also be other sensors than the distance sensor, as long as it can sense the distance between the user and the faucet. Can.

The control method further includes: when the second sensor 2 senses the user's hand sweeping, controlling the faucet to switch between the mixed hand sanitizer mode and the clean water mode. Since the second sensor 2 is also equipped with a selection function, the user only needs to swipe the second sensor 2 with his hand to freely switch the faucet to the mixed hand sanitizer mode or the clean water mode. In addition, the faucet is more humanized and suitable for different users needs. In addition, LED icons can also be set above the faucet to let users know the current mode of the faucet.

As shown in FIG. 1 , the faucet is provided with an outlet level 3 for clean water to flow out, and a mixed liquid outlet 4 for mixed hand sanitizer to flow out. In this embodiment, the water outlet level 3 is a square structure. The water outlet level of the current faucet is mainly circular, but this design does not conform to the shape of human hands. For some users with relatively large hands, they need to move their hands many times to completely wet their hands. The faucet of this application is designed according to ergonomics, and the water outlet 3 is designed to be rectangular according to the shape of the hand. Even if the user does not deliberately move the hands, the hands can be thoroughly cleaned, which is convenient for the user to wash the hands thoroughly, and the effect of washing hands can be achieved with a small amount of water. ,conserve water.

The faucet device of the present application also includes a tap water pipe connected to the water outlet 3 and a mixed solution container 5 connected to the mixed solution outlet 4. The hand sanitizer and clean water are fully mixed in the mixed solution container 5 according to a preset ratio. As shown in Figure 1, the mixed liquid container 5 has a liquid outlet and two liquid inlets (all unlabeled), the liquid outlet communicates with the mixed liquid outlet 4 through the first connecting pipe 20, and one of the two liquid inlets Connect to the running water pipe 8 through the second connecting pipe 30 , the other of the two liquid inlets communicates with the hand sanitizer container 6 through the third connecting pipe 40 , and the hand sanitizer pump 7 is connected to the third connecting pipe 40 . In order to effectively control the water output of the tap water pipe, the tap water pipe 8 and the second connecting pipe 30 are respectively provided with water inlet solenoid valves 9 . By using the mixed liquid container 5 to evenly mix the hand sanitizer and clear water, only a small amount of hand sanitizer can achieve the effect of foaming and cleaning, which can effectively reduce the consumption of the hand sanitizer.

Further, the faucet also includes a third sensor for sensing the stock of hand sanitizer, and the control method further includes: when the third sensor senses that the stock of hand sanitizer is less than the preset stock of hand sanitizer, control sends information to remind users to refill their hand sanitizer.

In this embodiment, the third sensor is a Hall sensor. Four Hall sensors are installed outside the hand sanitizer container 6 to sense the height of the buoy in the hand sanitizer container 6. The buoy is equipped with a permanent magnet. The strength of the magnetic field generated by the magnet is measured to obtain the amount of hand sanitizer in stock. It can be understood that this embodiment does not limit the specific number of Hall sensors, and the Hall sensors may include only one, two or more. When the volume of hand sanitizer is less than the preset stock of hand sanitizer, the third sensor will transmit the information to the smart phone of the cleaning staff through the wireless network to notify the cleaning staff to replenish the hand sanitizer, thereby reducing the chance of insufficient hand sanitizer supply. This not only reduces the number of cleaning staff checking the hand sanitizer, but also reduces the inconvenience to users.

Further, the faucet also includes a fourth sensor for sensing the stock of paper towels, and the control method further includes: when the fourth sensor senses that the stock of paper towels is less than the preset stock of paper towels, control to send message to prompt the user to refill paper towels.

In this embodiment, the fourth sensor is an angle sensor, which estimates the number of paper towels by changing the angle of the sensing rod by changing the number and height of the paper towels. The angle sensor consists of a variable resistor. Use the sensing rod to rotate the variable resistor to change the resistance value. The signal is converted into a digital signal by the analog-to-digital converter of the microprocessor, and then processed by the built-in program of the microprocessor. When the toilet paper is less than a certain amount, the fourth sensor also transmits information to the smart phone of the cleaning staff through wireless network, so that they can replenish enough paper towels before running out.

In summary, implementing a control method for a faucet of the present invention has the following beneficial effects:

First, when the user puts his hand under the faucet, the faucet will send out hand sanitizer and water that have been mixed in an appropriate proportion. After the user scrubs the mixture, the faucet will automatically send out clean water for the user to rinse. Every user can wash their hands with hand sanitizer, and the whole process is carried out in the same washbasin without any switch, which is simple and convenient.

Secondly, the first sensor is installed on the top of the faucet, instead of the traditional automatic faucet that senses the hand in the horizontal direction, the faucet senses the hand in the vertical direction, which can prevent the first sensor from being affected by the water flow and make the water discharge process smoother.

Third, the second sensor detects whether the user is using the water tap by sensing the distance between the user and the water tap, so as to avoid false triggering. In addition, the second sensor is equipped with a selection function. The user only needs to swipe the second sensor with his hand to freely switch the faucet between the mixed hand sanitizer mode and the clean water mode, and the faucet is more humanized.

Fourth, the water outlet of the faucet is designed in a square shape instead of the traditional round water outlet. According to the ergonomic design, the water outlet level is designed as a rectangle according to the shape of the hand, which is more convenient for users to wash their hands more thoroughly, and cooperates with the water inlet solenoid valve to achieve the effect of washing hands with less water and save water.

Fifth, the third sensor and the fourth sensor are respectively set on the afterwash liquid container and the paper towel box. When the amount of hand sanitizer and paper towels is less than the specified amount, the sensor will notify the cleaning staff to replenish, thereby reducing the amount of paper towels and hand washing. Chances of insufficient fluid supply. Not only does this reduce the number of times cleaning staff need to check the paper towels and hand sanitizer, but it also reduces inconvenience to users.

Although the present invention is described through specific embodiments, those skilled in the art should understand that various changes and equivalent substitutions can be made to the present invention without departing from the scope of the present invention. In addition, various modifications may be made to the invention for a particular situation or material without departing from the scope of the invention. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but should include all implementations falling within the scope of the appended claims.

Claims (6)

1. A control method for a faucet, characterized in that the faucet is provided with a first sensor that senses the user's hand in a vertical direction, and the control method comprises the following steps: S1. Mix clean water and hand sanitizer according to a preset ratio to form a mixed hand sanitizer; S2. When the first sensor senses the user's hand, control the faucet to flow out the mixed hand sanitizer, so that the faucet enters the mixed hand sanitizer mode; S3. When the user's hand is always within the sensing range of the first sensor, after the mixed hand sanitizer flows out for a first preset time, control the faucet to flow out clean water, so that the faucet enters the clean water mode; When the user's hand leaves the sensing range of the first sensor within the first preset time, the control faucet stops the supply of mixed hand sanitizer, and the second preset time after the first sensor senses that the user's hand leaves When the user's hand is sensed again within a set period of time, the faucet is controlled to flow out clean water, so that the faucet enters the clean water mode. 2. The control method of the faucet according to claim 1, characterized in that, the faucet is also provided with a second sensor for sensing the distance between the user and the faucet, before the step S2, further comprising the step S2': When the second sensor senses that the distance between the user and the faucet is within a preset value range, the first sensor is controlled to work. 3. The control method of the faucet according to claim 2, characterized in that the control method further comprises: When the second sensor senses the user's hand sweeping, the faucet is controlled to switch between the mixed hand sanitizer mode and the clean water mode. 4. The control method of the faucet according to claim 1, characterized in that, the faucet has a water outlet level for the clear water to flow out, and the water outlet level has a square structure. 5. The control method of the faucet according to claim 1, wherein the faucet also includes a third sensor for sensing the stock of hand sanitizer, and the control method further comprises: When the third sensor senses that the stock of the hand sanitizer is less than the preset stock of the hand sanitizer, the control sends information to the smart terminal of the cleaning personnel to prompt the user to replenish the hand sanitizer. 6. The control method of the faucet according to claim 1, characterized in that, the faucet further comprises a fourth sensor for sensing the stock of paper towels, and the control method further comprises: When the fourth sensor senses that the stock of paper towels is less than the preset stock of paper towels, the control sends information to the smart terminal of the cleaning personnel to prompt the user to replenish paper towels.